01. overview epc electrical
TRANSCRIPT
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OVERVIEW EPC ELECTRICAL
Budi Adi Nugroho Asep Sugandi
24-November-2012
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SCOPE OF WORK Scope : Engineering, Procurement, Construction
Engineering: Basic Engineering, and
Detail Engineering
Procurement: Purchasing, Expediting, Inspection, Shipping
Construction: Installation, hook-up, commissioning, Startup
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Generator
Transformer
150/13.8kV
Aux Trafo 6.3/0.4kV
Generator
circuit breaker
Generator
80MVA
ELECTRICAL SYSTEM ILLUSTRATION
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WORKFLOW
Basic Engineering Detail Engineering
Electrical Equipment /
Material Procurement
Construction
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Design Cycle
PLANNING
DESIGN
IMPLEMENTATION
- Scope of Work - Schedule - Quality Plan - Area wise / coverage - Inquiry Plan - Document List - Man Power Planning - Design Criteria - Conceptual Design - Single Line Diagram - Prelim Calculation /
Analysis
- Basic Engineering with Initial Data
- RFQ, get vendor data - Detail Engineering with
initial data
- Basic Engineering with Updated/Final Data
- vendor print - Detail Engineering with
Updated/Final data - Manufacturing Data Record
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Design Cycle
PLANNING
DESIGN
IMPLEMENTATION
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ELECTRICAL EQUIPMENT
Gas / Diesel Engine Generator Set
Uninterruptible Power Supply
Battery
DC Charger
HV Switchyard
Power Transformer
Neutral Grounding Resistor
Switchgear and Motor Controller
Distribution Board
Lighting Panel
Bus Duct
Protection / Synchronizing Panel
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ELECTRICAL EQUIPMENT DEG BUSDUCT
MV
SWITCHGEAR
DIST.
TRAFO
MCC UPS
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ELECTRICAL MATERIAL
Lighting Fixture & Accessories
Grounding & Lightning Protection
Communication System
Fire Alarm System
Electrical Heat Tracing System
Power & Control Cables
Cable Tray & Accessories
Bulk Materials
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ELECTRICAL MATERIAL
CABLE GLAND TERMINATION KIT RECEPTACLE HAZARDOUS BOX CEILING LIGHTING
PAGING CABLE TRAY GROUNDING CABLING AIR TERMINAL
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Typical Document List
BASIC ENGINEERING
Standard Design
Standard Drawing
Equipment List
Single Line Diagram
Interlock Logic Diagram
Power System Analysis
Equipment Selection
Specification
Electrical Data Sheet
Hazardous Area Classification
Requisition for Electrical Equipment
Requisition for Electrical Non Equipment
Technical Bid Evaluation
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Typical Document List
DETAIL ENGINEERING
Schematic Diagram
Connection List / Connection Diagram
Cable Schedule
Duct Bank and Pit Layout
Power Wiring, Cable Tray, and Grounding Layout
Communication Layout
Fire Alarm Layout
Electrical Equipment Layout
Lighting Layout
Boundary Work with other Discipline
Heat Dissipation Calculation
Electrical Material List
Vendor Print Check
Material Take Off
Detail
Drawing
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Document Category Basic Engineering
Design Standard
Single Line Diagram
Electrical Description and System Analysis
Specification and Data Sheet
Detail Engineering
Detail Engineering Drawings / Layouts
Categorized area wise
Manufacturer Equipment Drawing
Procurement Activity
Requisition
Technical Bid Evaluation
Vendor Print Check
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ORGANIZATION Project Manager
Project Engineering
Manager
Project Control Manager
Project Admin & Finance Manager
Project Procurement
Manager
Project Quality Control Manager
Project Construction
Manager
Instrument Lead Engineer
Piping Lead Engineer
Mechanical Lead Engineer
Process Lead Engineer
Civil Lead Engineer Electrical Lead
Engineer
Electrical Engineers
Electrical Designers
Senior Engineer
Corporate Quality Assurance
(Electrical Dep. Manager)
Electrical Drafters
Detail Design
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Standard Productivity
Purposes for man hours estimation and man power planning • Drawing / Document Size : A1, A3, A4 • Unit of Measurement : Sheet, Set • Typical Manhours:
Single Line Diagram : A1 : 60 – 80 MH/Sheet Calculation : A4 : 80 – 100 MH/Set Detail Drawing : A1 : 40 - 60 MH/Sheet Specification/Data Sheet : A4 : 20 - 40 MH/Set Schematic : A3 : 8 – 16 MH / Sheet Requisition : A4 : 30 – 40 MH / Set MTO : A4 : 40 – 120 MH / Set TBE : A4 / A3 : 40 – 100 MH / Set Vendor Print : all : 40 – 120 MH / Set
• Productivity related to basic communication, originator experiences, template/procedure/work instruction, difficulty level, utilization of software.
• Standard productivity shall be updated based on company experiences
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INQUIRY PLAN Purposes for purchasing / packaging planning
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DOCUMENT LIST PLANNING
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DOCUMENT LIST PLANNING
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DOCUMENT LIST PLANNING
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DOCUMENT LIST PLANNING
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MANPOWER PLANNING
Consortium Partner Drawings
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SCHEDULE • Detail schedule Electrical Engineering is developed
based Project Master Schedule, and must be coordinated with other disciplines
• Duration of Engineering schedule will impact man
power number • Consideration:
– Input / Output date required from / by other disciplines – Lead time of equipments / materials – Approval time – Work Sequence – Construction time
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SCHEDULE